A lack of blood flow to the brain is ______.

a) a stroke
b) hypertension
c) an arrhythmia
d) atherosclerosis


Ans: a) a stroke

Biology & Microbiology

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Which of the following statements concerning endocytosis is TRUE?

A) This process occurs in both prokaryotes and eukaryotes. B) Phagocytosis is a type of endocytosis in which liquids are brought into the cell. C) Endocytosis produces a structure called a food vesicle. D) Waste products and secretions are exported from the cell during endocytosis. E) Endocytosis is a form of passive transport.

Biology & Microbiology

A population refers to all the individuals of the same species that occupy a given area

Indicate whether the statement is true or false

Biology & Microbiology

Which of the following explains the appearance of the trait for white flowers in the offspring that neither parent possesses?

A) mitosis B) genetic recombination during meiosis C) law of segregation D) law of independent assortment

Biology & Microbiology

Which of the following is generally NOT considered an ethical issue regarding recombinant DNA technology?

A. the modification of crop plants B. screening of humans for genes that predispose them to disease C. unforeseen impact on the environment D. the modification of animals to produce pharmaceuticals for humans E. answering basic research questions

Biology & Microbiology